001 package org.apache.maven.tools.plugin.annotations.scanner.visitors; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import org.apache.maven.tools.plugin.annotations.scanner.MojoAnnotationsScanner; 023 import org.codehaus.plexus.logging.Logger; 024 import org.objectweb.asm.AnnotationVisitor; 025 import org.objectweb.asm.Attribute; 026 import org.objectweb.asm.FieldVisitor; 027 import org.objectweb.asm.Type; 028 029 /** 030 * @author Olivier Lamy 031 * @since 3.0 032 */ 033 public class MojoFieldVisitor 034 implements FieldVisitor 035 { 036 private Logger logger; 037 038 private String fieldName; 039 040 private MojoAnnotationVisitor mojoAnnotationVisitor; 041 042 private String className; 043 044 MojoFieldVisitor( Logger logger, String fieldName, String className ) 045 { 046 this.logger = logger; 047 this.fieldName = fieldName; 048 this.className = className; 049 } 050 051 public MojoAnnotationVisitor getMojoAnnotationVisitor() 052 { 053 return mojoAnnotationVisitor; 054 } 055 056 public String getFieldName() 057 { 058 return fieldName; 059 } 060 061 public AnnotationVisitor visitAnnotation( String desc, boolean visible ) 062 { 063 logger.debug( "MojoFieldVisitor#visitAnnotation:" + desc ); 064 String annotationClassName = Type.getType( desc ).getClassName(); 065 if ( !MojoAnnotationsScanner.FIELD_LEVEL_ANNOTATIONS.contains( annotationClassName ) ) 066 { 067 return null; 068 } 069 mojoAnnotationVisitor = new MojoAnnotationVisitor( logger, annotationClassName ); 070 return mojoAnnotationVisitor; 071 } 072 073 public void visitAttribute( Attribute attribute ) 074 { 075 // no op 076 } 077 078 public void visitEnd() 079 { 080 // no op 081 } 082 083 public String getClassName() 084 { 085 return className; 086 } 087 088 public void setClassName( String className ) 089 { 090 this.className = className; 091 } 092 }